Protective device for artisans.



Patnted lan. 30a |900.

No. Mummia.

U. SHERMAN. PRGTEGTIVE DEVICE FOB ARTISANS.

(Application med Aug. 14, 1899.;`

11H0 Nudel.)

nipte Srnfrns Parent* price.

'UDOLPII SHERMAN, OF GIRARD, ilIiClllGrAN.

PROTECTIVE DEVlCE FOR ARTJSNS.

SPGIFIUATION forming part of Letters Patent No. 642,166, dated January 30, 1900. Application filed August 14, 1899. Serial No. 727311. "No model.)

' To all wiz/ont it may concern:

Beit known that LUDoLPH SHERMAN, a citizen of the United States, residing at Girard, in the count-y of Branch and State of Michigan, have invented a new and useful Protective De vice for Artisans, of which the following is a specification.

This invention relates to a protective device for artisans adapted to be Worn on the head and body conjointly or on the head alone; and the object of the same is to provide a device of this character adapted to prevent the inhalation of dust, particles of iron or steel, and other deleterious substances, as Well as obnoxiousodors, such as are encountered by grinders, miners, and operatives generally, and also to provide means for regulating the temperature of the airarennd thehead or body in accordance with hygienic laws under certain conditions and protect Workmen in pursuing certain vocations and in particular lo calities against su rrou nding heal th-impairing influences.

Other objects and advantages will appear in the subjoined description, and the novel features will be pointed outin the appended claim, the preferred embodiment of the device being illustrated in the accompanying drawings, in which- Figure l is a sectional view of a structure, showing the airi'eeding-mechanism operatively disposed therein and the mode of applying parte et the device and supplying and exhausting the air therefrom. Fig. 2 is au elevation ot' a part of the improved helmet used in the device.

Similar numerals of reference are employed to indicate corresponding parts in both views.

The numeral l designates a structure or suitable iframe, which may be either a part ol` a workshop, factory, or other building, and might also constitute the timbers within a mine. 'lhcprecise orparticulararrangement of the said structure is not essential and the form illustrated is used to show the practicahility of the improved device, and therefore subject to such variations as the application et' the apparatus may require. in the upper part or at any suitable point ot' the said struc ture a pipe 2 is located, `which has one terminal projected exteriorly'to give access to air, and over the. said terminal a wire-gauze basket or analogous screen device 3 is applied to prow vent passage into the pipe of dust, dirt,or other matter. Adjacent this air-ingress terminal. of the pipe 2 a receptacle et is situated and adapted to contain either a refrigerat'ng or heating medium ot' any suitable character, and the part of the pipe L which passes there through is formed with a coil 5 for thorough. circulatory purposes. and to permit the material contained in the said receptacle ot what ever nature it may be to thoroughly perform its function. receptacle Ll two valves G and 7 are mounted at a distance apart which will be of any preferred form of the tivo-way variety and have noir/iles 8 and 9. At a point farther along on the pipe 2 are a pair of taps l0 and 1 l,which are spaced apart, and beyond the said taps the pipe is deflected upwardly, as at i2, and again projected exteriorly to provide an egress end 13, through which the air is exhausted after use. Under the upwardly-dede@ted portion ol the pipe 2 a heat-generating medium, such as a lamp ll, is located and intended to heat said part of the pipe suflicicntly to create a suction and accelerate the exhaustion of the used air.

To the nozzles 8 andl il the upper ends or terminals of liexible feeding-tubes l5 and lli are connected and run, respectively, to a hel met 17 and a body-covering garnicht lli. .dt opposite points of the helmet and body-garl ment exhaust-tubes l.) and 2O are attached and also ol a flexible nai-ure, the opposite end s or terminals otlsaid exintusttubcs being connected to the taps lCand ll. These tubes itt, lil, lll, and 20 may be of any desired length aiule.\jte1i l away a considerable distance from the pipe 2; but in all arrangements it is pre-- ferred that they depend from overhead, so that they will be kept outof the way and por- -.1nitthcartisau or workmanattired in the hclV met and garment to have tree action and lily crty to perform the requirements of his vocation. 'lhc helmet ,i7 is formed of separable sections i which are hinged at one sideand fastened by a suitable catch at the opposite side. 'lhe front section ol? the helmet has lights 22 thereiu'of suitable transparent ina tei-iai, such as glass, to a lord clear vision for the wearer ol' the same. The feeding-tube 16 is shown :is being connected to the front'soc- Within the pipe beyond the ICO tion of the helmet at a point about opposite where the nose of a wearer wouldbe located in order lto permit inspiration of the incomi the inner surface of the same and the wearing-apparel of the artisan will exist to permit a thorough circulation of the air around'the parts of the body. The helmet 17 and bodygarment 18 must be applied to the person of the wearer in an air-tight manner, and the material of which the helmet and body-garment are composed must have air-tight character- .istics andv will ,be preferably rubber, rubber compound, or some other fabric supplied with 'acoatingof suitable substance to render the samfe air-tight. It is also intended that the neck portion of the helmet entend down over the similar part of the body-garment in order to form an ai r-tight ioint between the two parts. l

When the improvedprotective device is not in use, the valves G and 7 will be turned in such manner as to shut oi the pipes or tubes 15 and 1G and permit the air to pass directly out .through the exhaust ond 13 of the said pipe 2. When it is desired to utilize the air and' feed it to t-he helmet and body-garment after arrangement of the latter on the artisan' orworkman ,the valves (i and 7 are then turned to cause communication of the tubes 15 and 16 with the pipe 2 and shut 0E the passage of the air beyond the valve 7 through the pipe 2. The air is fed through the pipes 15 andlti into the helmet and bodygarmcnt and after serving its purpose is rapidly exhausted through the tubes 19 and20 and part of the pipe 2 to which they are connected by the suction set up adjacent the exhaust extremity of saidvpipe throughY the heating medium thereunder. The material contained within the receptacle 4 may have a cooling action on the coil 5, supplythe air at a moderate temperature, or be o'r such a nature as to heat the incoming air.

l This will be regulated in accordance with the locality in which the artisan is compelled to carry on his work and whether it be in a heated inclosure or cold atmosphere. V

The helmet 17 may be used alone without the body-garment in carrying on grinding operations or pursuing work within an inclosurey containing injurious iioating or iying parti-- cles of various substances. At timesitmlght also be desired to have several branch pipes leading from the coil 5, and this would be an obvious arrangement in which'a duplication only would occur. lIt might also be necessary at times, in view of the wide range of modification of which the device is susceptible, to vary the parts to suit different applications, and therefore changes .in the proportions, size, and minor detailsof construction may be resorted to without in theleast departing from the nature or spirit of the invention.

Having thus described the invention, what is claimed as new is-- l In a device of the character set forth, the combination of a pipe extending through a building .and having its oppositeterminals opening out to the exterior, the one terminal of the pi pe'serviug as the ingress and having an adjacent coil continuous with the length thereof, the opposite terminal providing the egress and bent upwardly at an angle for location over a heating medium, a pair of closely-arranged valves in the pipe near the ingress terminal inside ofA the location of the coil, the said valves being adapted for individual use and operating to prevent the passage of air through the pipe beyond thesame,

articles of wearing-apparel having flexible' pipes running to and connected with the said valves, the valves when operated to close Athe pipe Vin which they ai'e located providing means of communication between the said iiexible pipesand the pipeiu which thevalves are situated, and an outlet-piperunning away from opposite portions of each of the articles of wearing-apparel and attached to the pipe containing the valves at a distance from the latter so that the exhaust may take place through the pipe serving as a feed, a suction being set up bythe heated extremity of the pipe to facilitate the exhaust.

Iu testimony that `I claim the foregoing as my own I have hereto affixed my signature in the presence of two witnesses. 

